Cliff is a licensed geologist and hydrogeologist in Washington and California. His 28 years of experience in investigation and cleanup project management include characterizing contamination in soil, groundwater, and surface water. Cliff has provided technical services in support of mediation and litigation as well as third-party opinion on numerous projects.

Cliff has numerous outside interests, including hang gliding, fly fishing, hiking, and camping. His goals for this year include making a hang gliding flight greater than 100 miles (his current personal best is 89 miles at a maximum altitude above 13,000 feet) and keeping up with his family at downhill skiing. Several times each year, Cliff and other Farallon Principals take clients on multi-day fly fishing adventures for Northwest trout and steelhead. Cliff also has an interest in the quality and expansion of Washington- and Oregon-produced wines.